-x-27=-4x+21

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Solution for -x-27=-4x+21 equation:


Simplifying
-1x + -27 = -4x + 21

Reorder the terms:
-27 + -1x = -4x + 21

Reorder the terms:
-27 + -1x = 21 + -4x

Solving
-27 + -1x = 21 + -4x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '4x' to each side of the equation.
-27 + -1x + 4x = 21 + -4x + 4x

Combine like terms: -1x + 4x = 3x
-27 + 3x = 21 + -4x + 4x

Combine like terms: -4x + 4x = 0
-27 + 3x = 21 + 0
-27 + 3x = 21

Add '27' to each side of the equation.
-27 + 27 + 3x = 21 + 27

Combine like terms: -27 + 27 = 0
0 + 3x = 21 + 27
3x = 21 + 27

Combine like terms: 21 + 27 = 48
3x = 48

Divide each side by '3'.
x = 16

Simplifying
x = 16

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